{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001811},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001963","490:4900001543","490:4900002293","490:4900001974","490:4900002739","490:4900001979","490:4900005896","494:4940006832","490:4900002579","490:4900001404","490:4900003580","490:4900005375","490:4900002281","490:4900004534","490:4900002284","490:4900005242","494:4940007581","490:4900002282","490:4900002435","490:4900002127","494:4940007365","490:4900002446","490:4900001987","494:4940008553","494:4940005650"],"twin_admin_codes":[490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,494,490,490,490,494,490,490,494,494],"twin_sims":[0.5779981755774376,0.41509482397310604,0.359743404989482,0.33992173807700493,0.33737918096990077,0.3315515630041736,0.3294037011798987,0.3282681233628558,0.3235181877460768,0.3232674188963318,0.3099161340016309,0.30306944631598354,0.2973902970676243,0.29417232626271045,0.2909654625261178,0.28276688638686387,0.27712366016051593,0.2736339440482777,0.2729090012876306,0.2712273145068463,0.26996252350119154,0.2668549461241665,0.26578679453104714,0.26574943394231276,0.26384883517953733],"twin_dists":[0.1359885196748899,0.17222437245704122,0.1857127301657291,0.19079087068324077,0.19145348024564932,0.19298247006711347,0.19354969830438984,0.19385041395863414,0.19511453132234285,0.1951815547678963,0.19879313425221842,0.2006796861996734,0.20226339858366915,0.20316866258702712,0.2040766468080721,0.20642547331646358,0.20806617992477977,0.20909098998417344,0.20930488465729047,0.2098024169083087,0.21017786397009267,0.2111049799610919,0.21142519979418997,0.21143641456135956,0.21200823119891413],"n_dims_used":45,"mean_confidence":0.9214835272894966},"coverage":{"mean_confidence":0.9214835272894966,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}